package com.zjgu.dao;

import com.zjgu.entity.Group;

import java.util.List;

public interface GroupMapper {
    int deleteByPrimaryKey(Integer gId);

    int insert(Group record);

    int insertSelective(Group record);

    Group selectByPrimaryKey(Integer gId);

    int updateByPrimaryKeySelective(Group record);

    int updateByPrimaryKey(Group record);

    int insertList(List<Group> groups);
}